Hoppscotch
Open-source web-based API client. No install required — just open your browser and start testing APIs.
Overview
Hoppscotch, created in 2019, is an open-source, web-based API client that runs entirely in the browser. Unlike Postman or Insomnia which require a desktop application, Hoppscotch works on any device with a web browser — no installation needed. It supports REST, GraphQL, WebSocket, SSE, Socket.io, and MQTT protocols.
Hoppscotch is particularly popular with developers who want a lightweight, portable API client that does not require admin rights to install. It is also a good choice for teams that want a self-hosted API client for privacy reasons.
What it's used for
Hoppscotch is ideal when:
- No-install API testing: Test APIs from any browser without installing software.
- Lightweight workflows: Quick API checks without launching a heavy desktop app.
- Self-hosted option: Deploy your own instance for team privacy.
- Multiple protocols: REST, GraphQL, WebSocket, SSE, Socket.io, and MQTT in one tool.
Pros & Cons
Pros
- No installation required — runs in any browser
- Supports multiple protocols (REST, GraphQL, WebSocket, etc.)
- Open source with self-hosted option
- Lightweight and fast
- Active community with regular updates
Cons
- Browser-based — some features limited by browser security
- No native desktop app (PWA available)
- Smaller ecosystem than Postman
- Cloud sync requires account
- Some advanced testing features are missing
Platforms & Integrations
Hoppscotch runs in any modern web browser. A PWA version is available. Self-hosted deployment requires Node.js.
Pricing
| Tier | Cost | Includes |
|---|---|---|
| Open Source | Free | Full client, all protocols, community support |
| Hoppscotch Enterprise | Custom | SSO, audit logs, dedicated support, custom deployment |
NZ Context
Hoppscotch is popular among NZ developers who want a quick, install-free API client. It is commonly used for quick API debugging and testing when Postman feels like overkill. For NZ teams with locked-down workstations (common in government and banking), Hoppscotch provides an accessible alternative.
Alternatives
- Postman — More features, better collaboration, desktop app available.
- Insomnia — Desktop app with local storage and GraphQL focus.
- Bruno — Git-native collections with local file storage.